名词
中文翻译：Unknown
同义词：
['electronic radiator', 'electric conductor', 'electric tube']
例句：
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1. The new electronic radiator is more energy-efficient than theold one.
这款新型电子辐射器比旧款更节能。
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2. Electric conductors areused in many electrical circuits to carryelectricity.
在许多电气电路中，电导体用于传输电力。
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3. The electric tube wasa popular choice for lighting during the19th century.
电灯管在19世纪是照明的热门选择。